Add async recursion fixes.

Cargo.lock

@@ -17,6 +17,17 @@ version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "512761e0bb2578dd7380c6baaa0f4ce03e84f95e960231d1dec8bf4d7d6e2627"
 
+[[package]]
+name = "async-recursion"
+version = "1.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3b43422f69d8ff38f95f1b2bb76517c91589a924d1559a0e935d7c8ce0274c11"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.4.0"
@@ -291,6 +302,7 @@ dependencies = [
 name = "storage"
 version = "0.1.0"
 dependencies = [
+ "async-recursion",
  "pack",
  "tokio",
 ]

Cargo.toml

@@ -6,5 +6,6 @@ edition = "2021"
 [dependencies]
 
 tokio = { version = "1.44.1", features = ["full"] }
+async-recursion = "1.1.1"
 
 pack = { git = "https://git.tsukiyo.org/Utility/pack" }

src/bin/test.rs

@@ -6,16 +6,18 @@ async fn main()
 {
     std::fs::create_dir_all("data").ok();
 
-    /*
+    println!("BLOCKFILE");
-    if let Ok(mut bf) = BlockFile::<16>::open("data/cache_data.bin") {
+
-        if let Ok(id) = bf.insert("This is a test of the block file system.".as_bytes()) {
+    if let Ok(mut bf) = BlockFile::<16>::open("data/cache_data.bin").await {
-            let data = String::from_utf8(bf.get(id).unwrap()).unwrap();
+        if let Ok(id) = bf.insert("This is a test of the block file system.".as_bytes()).await {
+            let data = String::from_utf8(bf.get(id).await.unwrap()).unwrap();
             println!("id {} = '{}'", id, data);
         }
     } else {
         println!("Failed to open.");
     }
-    */
+
+    println!("TRIEFILE");
 
     if let Ok(mut tf) = TrieFile::<8>::open("data/cache_index.bin").await {
 

src/blockfile/mod.rs

@@ -249,6 +249,7 @@ impl<const Z:usize> BlockFile<Z> {
         Ok(output)
     }
 
+    #[async_recursion::async_recursion]
     async fn allocate(&mut self, count:usize) -> Result<Vec<u32>, std::io::Error>
     // Mark as allocated and return the next available N blocks.
     //
@@ -278,6 +279,7 @@ impl<const Z:usize> BlockFile<Z> {
         Ok(blocks)
     }
 
+    #[async_recursion::async_recursion]
     async fn allocate_traverse(
         &mut self,
         block_id:u32,